[pitivi/ges] timeline: Update the canvas' playhead position when zooming

[Jean-FranÃois Fortin Tam <jfft src gnome org>]

commit d228a0c871175fc2ea2c11facadc97e41ead30c4
Author: Jean-FranÃois Fortin Tam <nekohayo gmail com>
Date:   Thu Apr 12 14:01:53 2012 -0400

    timeline: Update the canvas' playhead position when zooming

 pitivi/timeline/timeline.py |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)
---
diff --git a/pitivi/timeline/timeline.py b/pitivi/timeline/timeline.py
index 7ece7d9..e442406 100644
--- a/pitivi/timeline/timeline.py
+++ b/pitivi/timeline/timeline.py
@@ -235,6 +235,7 @@ class TimelineCanvas(goocanvas.Canvas, Zoomable, Loggable):
         return True
 
     def do_expose_event(self, event):
+        self.debug("exposing TimelineCanvas %s", list(event.area))
         allocation = self.get_allocation()
         width = allocation.width
         height = allocation.height
@@ -357,6 +358,7 @@ class TimelineCanvas(goocanvas.Canvas, Zoomable, Loggable):
     position = 0
 
     def timelinePositionChanged(self, position):
+        self.debug("value : %r" % position)
         self.position = position
         self._playhead.props.x = self.nsToPixel(position)
 
@@ -379,7 +381,7 @@ class TimelineCanvas(goocanvas.Canvas, Zoomable, Loggable):
         if self._timeline:
             self._timeline.dead_band = self.pixelToNs(
                 self.settings.edgeSnapDeadband)
-            #self._timelinePositionChanged(self.position)
+            self.timelinePositionChanged(self.position)
 
 ## settings callbacks